<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');

/**
 * Smarty Class
 *
 * @package     CodeIgniter
 * @subpackage  Libraries
 * @category    Smarty
 * @author      Kepler Gelotte
 * @link        http://www.coolphptools.com/codeigniter-smarty
 */
require APPPATH . '/third_party/smarty/libs/Smarty.class.php';

class Ci_Smarty extends Smarty {

    function Ci_Smarty()
    {
        parent::Smarty();

        $this->compile_dir = APPPATH . "views/templates_c";
        $this->template_dir = APPPATH . "views/templates";
        $this->assign( 'APPPATH', APPPATH );
        $this->assign( 'BASEPATH', BASEPATH );

        log_message('debug', "Smarty Class Initialized");
    }

    function __construct()
    {
        parent::__construct();

        $this->compile_dir = APPPATH . "views/templates_c";
        $this->template_dir = APPPATH . "views/templates";
        $this->assign( 'APPPATH', APPPATH );
        $this->assign( 'BASEPATH', BASEPATH );

        // Assign CodeIgniter object by reference to CI
        if ( method_exists( $this, 'assignByRef') )
        {
            $ci =& get_instance();
            $this->assignByRef("ci", $ci);
        }

        log_message('debug', "Smarty Class Initialized");
    }


    /**
     *  Parse a template using the Smarty engine
     *
     * This is a convenience method that combines assign() and
     * display() into one step. 
     *
     * Values to assign are passed in an associative array of
     * name => value pairs.
     *
     * If the output is to be returned as a string to the caller
     * instead of being output, pass true as the third parameter.
     *
     * @access  public
     * @param   string
     * @param   array
     * @param   bool
     * @return  string
     */
    function view($template, $data = array(), $return = FALSE)
    {
        foreach ($data as $key => $val)
        {
            $this->assign($key, $val);
        }
        
        if ($return == FALSE)
        {
            $CI =& get_instance();
            if (method_exists( $CI->output, 'set_output' ))
            {
                $CI->output->set_output( $this->fetch($template) );
            }
            else
            {
                $CI->output->final_output = $this->fetch($template);
            }
            return;
        }
        else
        {
            return $this->fetch($template);
        }
    }

    function view404()
    {
        header("HTTP/1.0 404 Not Found");
        header('Content-Type: text/html; charset=utf-8');
        return $this->view('layout/404.tpl');
    }
}
// END Smarty Class
